召募 is read as しょうぼ (shoubo) and means levy.
しょうぼ
shoubo
めしあがる
to eat
しょうしゅう
convening
めす
indicates respect
めしつかい
servant
めしあがりもの
food
こうぼ
public offering (of securities)
しぼ
private offering (of securities)
きゅうぼ
hurried recruitment
しょうかん
summons
しょうかんれいじょう
summons for directions (legal UK)
おうぼ
application
ちょうぼ
enlistment