The kanji 斥 primarily conveys the meanings of "to drive away," "to repel," "to exclude," or "to discard." It implies the act of pushing something or someone out, rejecting them, or causing them to move away.

・On-yomi (音読み): セキ (seki) ・Kun-yomi (訓読み): しりぞ（く） (shirizo(ku)) - to repel, to drive away

⚫︎ 排斥（はいせき） Translation: exclusion, rejection. ⚫︎ 斥候（せっこう） Translation: scout, reconnaissance. ⚫︎ 退斥（たいせき） Translation: dismissal, expulsion.

The kanji 斥 is a 形声文字 (keisei moji), a phono-semantic compound. The left side is a radical, 斤(kin), which means "axe". The right side is 斤(kin) which serves to indicate pronunciation. The original meaning relates to removing someone using an axe. Then it was simplified to mean drive out or repel.