ingrate
Definition
A person who is ungrateful, especially toward kindness or benefits received.
हिन्दी एक अकृतज्ञ व्यक्ति, विशेष रूप से प्राप्त की गई दया या लाभ के प्रति।
Example
"After all she did for him, he acted like an ingrate and never said thank you."