Abimelech

Abimelech is introduced here as the king of Gerar who, acting in good faith on Abraham's false claim, takes Sarah into his household — unwittingly becoming the antagonist of a situation he did not create.

Abimelech is here approaching Abraham not as an adversary but as someone who recognizes divine favor — the Philistine king initiating a treaty because he can see that God's blessing on Abraham is undeniable.

Abimelech is the one who uncovers the lie — catching Isaac being affectionate with Rebekah through a window — and then confronts him and issues a protective decree over the couple.

Abimelech is referenced here as the immediate predecessor to Tola's judgeship — his disastrous reign is the wreckage God raises Tola to help Israel recover from.

Abimelech is introduced as Gideon's son by a Shechem concubine, and his name — "my father is king" — is a darkly ironic contradiction of everything Gideon publicly said about God being the only king.

Abimelech is actively pitching his family ties to Shechem as a political advantage, cynically using his mother's clan to build the coalition that will fund his coup.