repudiate, exclude, expel, reject
JLPT1 G7 S11 F1047
As per 非# (spread in alignment to right and left) + 手 hand/action indicator (for emphasis/clarification) → spread in alignment to right and left → line up; arrange; row. Also, *reject*, *exclude* and *eject* (← push off to both sides in rejecting).
[Full Kanji Etymology List]