the quality of being friendly, generous, and considerate

a kind act

दयालु कार्य

English Usage: It's a real act of kindness to help the elderly.

Hindi Usage: बुजुर्गों की मदद करना एक सच्चा दयालु कार्य है।

to show kindness or favor

दयालुता दिखाना

English Usage: She kinded the children by giving them gifts.

Hindi Usage: उसने बच्चों को उपहार देकर दयालुता दिखाई।