your foster brother is a male who is not a son of your parents but who is raised by your parents
your foster brother is a male who is not a son of your parents but who is raised by your parents
a brother who has only one parent in common with you
a male with the same parents as someone else
a male person who is a fellow member (of a fraternity or religion or other group)
promote the growth of
providing or receiving nurture or parental care though not related by blood or legal ties
help develop, help grow
bring up under fosterage; of children
