Boyd’s Bible Dictionary:
(enclosure). One of David’s guard (2 Sam. 23:35). Hezro (1 Chron. 11:37).
Concise Bible Dictionary:
A Carmelite, one of David’s valiant men (2 Sam. 23:35).
Jackson’s Dictionary of Scripture Proper Names:
my enclosures (another reading in 2 Sam. 23:35)