וַיָּ֣נָס יוֹתָ֔ם וַיִּבְרַ֖ח וַיֵּ֣לֶךְ בְּאֵ֑רָה וַיֵּ֣שֶׁב שָׁ֔ם מִפְּנֵ֖י אֲבִימֶ֥לֶךְ אָחִֽיו׃ (פ)
And Jotham ran away, and fled, and went to Beer, and dwelt there, for fear of Abimelech his brother.
Read midrashic interpretation of Judges 9:21: and classical rabbinic exegesis.