Sentence:  I asked him to tell me specifically just what his gripe might be, but he told me never mind what the details are; that he had put his faith in you on my recommendation but that you had <WSD>suckered</WSD> him and he refused to tell me anything about how you <WSD>suckered</WSD> him. 
Meaning of the word marked with <WSD> tags:  To fool someone; to take advantage of someone.