The antonyms of "am source of" are words that represent the opposite actions. These words include "receive," "acquire," "obtain," "collect," "gather," and "withdraw." They signify that someone is not the origin of something but rather the recipient or the beneficiary. For instance, if someone received a gift, they are not the source of it but have obtained it from a different individual. Similarly, if someone collects money for charity, they are not the source of the funds but are merely gathering it from various donors. Therefore, it is essential to use antonyms correctly to convey the opposite meaning of "am source of.