Brown Driver Briggs

 Amasai = "burdensome"
1. a warrior and chief of the captains of Judah and Benjamin who
joined David at Ziklag
2. a Kohathite Levite, father of Mahath and ancestor of Samuel
3. a priest who blew the trumpet before the ark
4. another Kohathite Levite in the reign of king Hezekiah of Judah