Hi guys.please correct grammar and punctuation in my paragraph

im going to wrie about my idol

The guy who infulenced in my life was che guvera.He was born in argentina and he was doctor by profession.He went throghout, southamerica with his friend and he was distrubed with problems of the people.After, few years he was attracted to marxisim and he got new friends in the process,they were castro brothers.Castro brothers were fighting for freedom of cuba and, che joined with them and he went to cuba.In cuba, he lead the rebel army in gurella warfare.He with the help of the rebel army acheived freedom for cuba.Fidel castro ,became the new president of cuba and che was cabinet minister in government.He went to many countries as government representative and he has made number of friends.Many people were infulenced by him throghout the world.But, the hunger to get freedom for the bolivia,has led che to disappear from cuba.He went to bolivia with help of fiedel castro and survived many days in bolivia with his rebel army.They had no food for many days and che has forgotten his medicines,whuch made his health condition worse.He was caught by bolivian army and he was executed by a bolivian soldier.