Innocuous Dāna (offering food etc. to the ascetics)- That Dāna, which is conducive to the progressive advancement of Saṃyama (selfrestraint) practised by oneself and by others; it is Dharmadāna (the Dāna which is given to an ascetic).
yena svasya parasya vā saṃyama upacayaṃ yāti tanniravadyadānaṃ dharmadānamiti.
(Jaisidī 9.27 Vṛ)