Some people live only to convert and therefore ensure a ticket to heaven for many in the after life. You could say the purpose of such lives is to make humanity happy in the next life. A worthy pursuit.
Some people live only to make sure people have justice, are treated fairly and are comfortable. You could say the purpose of such lives is it make humanity happy in this life. A worthy pursuit.
I live to give glory to God.
But God loves people like crazy. A love more intense than a parent’s greatest love for a child. So I will do my best to love people too.