reliance on others; depending on other people
Often used in negative contexts to criticize a lack of self-reliance, or in phrases like 人頼りにする (to rely on others).
He always relies on others and never tries to act on his own.
With an attitude of depending on others, you can't handle this job.
Compound of 人 (ひと, person) and 頼り (たより, reliance). The reading ひとだより reflects rendaku voicing of たより to だより.