He will live or life-giving
Jachai is a modern name likely derived from the Hebrew name Chayim or the root 'chay', meaning life. It is often used as a contemporary variation of traditional Hebrew names, though it has gained some visibility in the United States through sports figures. Its exact etymological path is less documented than more common biblical names.
Less common today
Jachai isn't in the latest US Top 1000. It last peaked at #1,813 in 1997.
US births per 5-year period, 1990βpresent (SSA data).
NFL linebacker