えんりょしい

a person who has the tendency to refuse to accept anything you try to give them.

Word type: 

Kanji: 

遠慮しい

Standard: 

えんりょしがちなひと

Standard kanji: 

遠慮しがちな人

Example: 

この服、山田さんにあげたかってんけど、あの人えんりょしいやからもらってくれへんかったわ。
I wanted to give these clothes to Yamada, but he's the kind of guy who will never take anything you try to give him.

Commentary: 

Suffix? "-しい" means a person who tends to do something.