Eleazar

Eleazar is one of the top three mighty men, distinguished here for standing his ground alone in a barley field when the rest of the Israelite army fled — his solitary stand against the Philistines results in a God-given victory.

Eleazar is noted here as a man who died leaving only daughters — a circumstance that in the ancient world threatened to end a family line but was resolved through kinship marriage.

Eleazar is the surviving son of Aaron from whose line the larger share of priestly divisions descend — sixteen of the twenty-four slots are allocated to his descendants.

Eleazar is the son of Aaron who becomes the starting point of the high-priestly succession — the chain of generation-by-generation handoffs that runs unbroken to the exile begins with him.

Eleazar is named here as one of Aaron's sons being set apart for priestly ministry — he will eventually succeed his father as high priest, making this moment the beginning of his priestly lineage.

Eleazar is consecrated specifically to guard the Ark at his father Abinadab's house — a personal designation that highlights the seriousness of stewarding God's presence.