The adj afraid has 4 senses (first 3 from tagged texts)
1. (29) afraid -- (filled with fear or apprehension; "afraid even to turn his head"; "suddenly looked afraid"; "afraid for his life"; "afraid of snakes"; "afraid to ask questions")
2. (3) afraid -- (filled with regret or concern; used often to soften an unpleasant statement; "I'm afraid I won't be able to come"; "he was afraid he would have to let her go"; "I'm afraid you're wrong")
3. (1) afraid -- (feeling worry or concern or insecurity; "She was afraid that I might be embarrassed"; "terribly afraid of offending someone"; "I am afraid we have witnessed only the first phase of the conflict")
4. afraid -- (having feelings of aversion or unwillingness; "afraid of hard work"; "afraid to show emotion")