Who is Prophet Muhammad, PBUH?

Who is Prophet Muhammad, may peace and blessings be upon him?

He is the one who defended the rights of all humanity 1400 years ago.
He defended men , women and children rights.
He commanded and fostered the love between relatives and neighbors
He established a coexistence relationship between Muslims and Non-Muslims
He organized the relationship between the members of the family putting duties on sons and daughters towards the parents
He stopped oppression and called for justice, love, unity and cooperation for the good.
He called for helping the needy, visiting the patients, love and exchanging advises between people.
He prohibited (by orders from God) bad manners such as stealing, lying, torturing and murdering.
He is the one who changed our lives and manners to be better.