used to refer to a male person or creature, previously mentioned, who is neither speaker nor hearer
used in a generic sense or when the sex of the person is unspecified:
archaic or literary to mean ‘anyone’, followed by a relative clause
He that hath ears to hear, let him hear — Bible
Tell me he that knows — Shakespeare
dated to refer back to an indefinite pronoun or common-gender noun (now superseded by he or she or they)
Nobody may act just as he pleases
(He) esp formerly, used to refer to God
[Old English hē]