willing
n. B2 Upper Intermediate Oxford US //ˈwɪɫɪŋ// UK //wˈɪlɪŋ// will·ing
n. ready and happy to do something. You use this when you do not mind helping or doing a task.
n. ready, eager, or prepared to do something; not resistant to a request or requirement.
She is always willing to help her friends with their homework.
The company is looking for a candidate who is willing to travel for work at least once a month.
While the negotiator remained willing to discuss the terms of the contract, he refused to compromise on the safety standards established by the board.
Usage
Typically used as a predicative adjective followed by a 'to-infinitive' phrase.
Pitfall
I am willing for helping youI am willing to help youWilling is followed by a 'to-infinitive', not the preposition 'for' with a gerund.