NET
18 He is the head of the body, the church, as well as the beginning, the firstborn from the dead, so that he himself may become first in all things.
Darby
18 And *he* is the head of the body, the assembly; who is [the] beginning, firstborn from among the dead, that *he* might have the first place in all things:
KJV
18 And he is the head of the body, the church: who is the beginning, the firstborn from the dead; that in all [things] he might have the preeminence.