αὐτῷ [106 verses](pron/adj sg masc/neut dat) "Him" is  is auto, the dative case of the third-person, singular adjective that is used as a pronoun. The word also means "the same,""one's true self," and "the soul" as opposed to the body. It also means "of one's own accord." The form is the third person, plural as an indirect object of the verb or the object of a preposition.  When used as a noun, it is preceded by a definite article, and it means "the same."A dative object of a preposition implies no movement but in a fixed position. With the "to be," it acts as a possessive, "his."--  The word translated as "him" is the Greek adjective that acts like our third-person,  indirect object pronoun.