Semter was born in a place called kalkayu in the ogaden area in 1871. Who grew up learning various religious teachings and traditional rituals in their childhood were proud of various endeavors that could achieve their leadership skills with their desire to become administrators and from the local tribe.

It is said that leaders grow by imbibing practices and experiences. When they reach the age of majority, they serve their country by working in the local administration, and first he continued with the title of knighthood and became the successor of sultan ali yusuf as naiba and the ruler of al-bur. He served his country for 23 years with absolute sincerity.

                              Semeter And Italy

 Fascit Italy, plotted to avenge Adwa's defeat, and its unit was in the Wolwol. The british and ethiopian governments had made an agreement to protect the border of their territory on the Somali side, so when the day was cut off and he started working. Colonel clifford from england and fitaurari tesema bante from ethiopia to carry out the work when they moved to study the area according to the responsibilities given to them.

Captain shimatru a native of Italy about a hundred kilometers from the boundary agreement he had previously reached. He barred the passage like aggression. The ethiopian representatives who were confused by this put down their materials and launched an air and ground  as soon as enkwan could not hear an explanation about the man's behavior. They attacked our unprepared party. There are 107 of them including aurari alemahehu, in front of this area. At least 75 fascist soldiers died when the Ethiopians fell with honor. Dejazmach umar semeter, the fire of the italian army in wolwol was connected to the north on that critical day. When they were waiting in the forest to prevent the country from being invaded by Italy they were from Dejach in eastern Ethiopia.

                                Semeter With Afework

Along with afework woldesamayat, umar semetar joined the side of the struggle. At the same time, from his peers the Somali army, which was lined up on different battle fronts blocked the enemy's exit and was under foot fire especially the army led by Umar Semeter threw a fort at Gorbele and deprived the enemy army of access. Do not be punished he realized that the enemy's army was about to attack him and when he died, he announced to the world government. Only to be compensated for his death He did not ask for the hero Umar to give him a set.

Umar's army which began to win on various fronts surrounded the fascist position of El Bur with six battalions of army. Realizing the truth, the warlord chose to retreat for the time being it seemed that the fascists had won. However umar, who had been organizing his army for about 5 months threw an unexpected threat on the enemy army on the night of 1930. Several battalions of troops were rendered useless singing in triumph, and encamped on the bridge for another attack.

They said "I will not put up with the fascist cross." again They faced him and defeated him. In Korah, the enemy was ashamed of the enemy. They performed a great adventure by fighting hand to hand in the fort. When the enemy's army was getting heavier, Umar was hit by the enemy's bullets in the battle of gurlegubeu. Dejach umar was wounded by six bullets and was unable to participate in battle. For this reason, they traveled first to hargeisa and then through kenya and were sent to london for treatment.

Umar semetar, who stayed in london until the end of the war when freedom was returned when the flag was hoisted all the patriots shouted and bowed, and the victorious patriot bowed down to witness his bravery. Fitaurari umar (later Dej Azmach) pays tribute to the veterans who survived the war in Ogaden Reward them. Our great hero umar sameter the enemy's bullets hit them and their health was deteriorating and the wounds were getting worse so they were treated by doctors in Harar city everywhere, but they were unable to recover.

                         Final Of Semeter

He died at the age of 61 on march 10, 1936. In Harar city of abdel mausoleum prince mekonan followed his companions and the christian and the muslim came out and died with all the military honors of a hero. At this funeral ceremony, abdo haid one of their fighters, recited this wrenching poem.