募
ボ, つの.る
recruit, campaign, gather (contributions), enlist, grow violent
JLPT2 G7 S12 F809
As per 莫# (concealed) + 力 power/energy → strive to obtain something concealed, or not at hand → *appeal* (for/to); *invite*; *recruit*; *raise* (money) → *grow intense*.
[Full Kanji Etymology List]