Definitions for "Sahabi"
A companion of the Prophet (S.A.W.). Plural: Sahabiyeen.
Companion of a Prophet, a person who has taken the oath of allegiance at the hand of a Prophet
a companion of the Prophet (sallal laahu alaihi wasallam), in other words one who became a Muslim by seeing the Prophet (sallal laahu alaihi wasallam) and left this world with Imaan