Amasa

Amasa - burden. The son of Abigail, a sister of king David (; ). He was appointed by David to command the army in place of his cousin Joab , who shortly afterwards treacherously put him to death as a dangerous rival .A son of Hadlai, and chief of Ephraim  in the reign of Ahaz.
See more at Wikipedia.org...

v. knead; mash; masticate; pug

sparing the people
  

(a burden).
→ Son of Ithra, or Jether, by Abigail, David's sister. (2 Samuel 17:25) He joined in Absalom's rebellion, B.C. 1023, was appointed commander-in-chief and suffered defeat by Joab. (2 Samuel 18:6) David, incensed against Joab for killing Absalom, forgave Amasa and appointed him Joab's successor. (2 Samuel 19:13) Joab afterwards, when they were both in pursuit of the rebel Sheba, pretending to salute Amasa stabbed him with his sword. (2 Samuel 20:10)
→ A prince of Ephraim, son of Hadlai, in the reign of Ahaz. (2 Chronicles 28:12)
  

burden. (1.) The son of Abigail, a sister of king David (1 Chr. 2:17; 2 Sam. 17:25). He was appointed by David to command the army in room of his cousin Joab (2 Sam. 19:13), who afterwards treacherously put him to death as a dangerous rival (2 Sam. 20:4-12). (2.) A son of Hadlai, and chief of Ephraim (2 Chr. 28:12) in the reign of Ahaz.