Cherubim are a type of angel that guard access to God's presence (Exodus 26:31; Ezekiel 28:14).
east … of Eden: In Genesis, moving east often means leaving God's presence or blessing. This can happen because of:
judgment (Genesis 4:16),
human pride or independence (Genesis 11:2; Genesis 13:11), or
separation from the family (Genesis 25:6).