彼、老人に親切にしてる

N5 彼 kare he N3 老人 roujin elderly person, old person N4 親切 shinsetsu kindness, helpfulness

N3 彼 hi / kare, kano, ka.no he, that, the N3 老 rou / o.iru, fu.keru old man, old age, grow old N5 人 jin, nin / hito, -ri, -to person, être humain, personne N4 親 shin / oya, oya-, shita.shii, shita.shimu parent, intimacy, relative N4 切 setsu, sai / ki.ru, -ki.ru, ki.ri, -ki.ri, -gi.ri, ki.reru, -ki.reru, ki.re, -ki.re, -gi.re cut, cutoff, be sharp

N5 〜ている te iru Indicates ongoing action, continuous state, repeated habit, or resulting condition depending on context N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action