rog-, roga-, -rogate, -rogation, -rogatory +

1. Someone who takes the place of another person.
2. A person appointed to represent or to act on behalf of others.
3. Anyone who provides or receives nurture, or parental care, even though when not related by blood or legal ties.
4. A woman who gives birth for another; or a woman who bears a child for a couple, with the intention of handing it over at birth.

She is usually either artificially inseminated with the man's sperm or implanted with a fertilized egg from the woman.

5. A judge in some states who probates wills and settles estates.
6. In psychology, a substitute authority figure; or a respected person who replaces a lost or nonexistent parent in someone's subconscious; such as, a teacher or older sibling.