The right of him who asks (sa'il) from you is that you give to him in the measure of his need
وحق السائل إعطاؤه على قدر حاجته.
Similar narrations
Man Lā Yaḥḍuruh al-Faqīh #150Hadith.1745 - Imam (as) said: "Give to the one who asks, even if you are on horseback."
Kitāb al-Zuhd #82Whoever asks you by Allah, give to him; and whoever does a good turn to you, recompense him. If you do not find anything to recompense him...