# in the name of a prophet

“because that person is a prophet” or “because he knows that person is a prophet”

# a prophet's reward

These phrases refer to the rewards that God gives to prophets and righteous men, not to rewards that prophets or righteous men give to other people.

# in the name of a righteous man

“because that righteous man is a righteous man” or “because he knows that person is righteous.”

# a righteous man's reward

This refers to the reward God gives to a righteous person.