シャ

す.てる

捨, 扌, 舎, 人, 吉, 士, 口

discard, throw away, abandon, resign, reject, sacrifice

四捨五入(ししゃごにゅう): rounding half up (i.e. fractions)
捨てる(すてる): to throw away; to cast aside; to abandon; to resign; to break up with (someone)