This is the 13654th most frequent Russian word.
некому
"No one to" or "nobody to."
Used to denote the absence of a suitable person to perform the action of 'entrusting'.
Некому доверить столь важное дело.
There is no one to entrust with such an important matter.
Used to indicate the absence of a person available to perform the action of 'helping me'.
Некому было помогать мне с домашним заданием.
There was no one to help me with the homework.
Used to express that there isn't anyone present to perform the desired interaction of 'asking'.