What am I?

I am a time for gathering crops. Remove the first three letters I become an object you can wear. What am I?

To unravel me, you need a key. No key that was made by locksmith's hand, but a key that only I will understand. What am I?

Feed me and I live, give me something to drink and i'll die, What am I?

Whoever made me don’t want me. Whoever bought me don’t need me. Whoever use me don’t know me. What am I?

Riddles and Answers