old person; oldster
Informal, somewhat rough term for an old person, borrowed from Chinese 老头儿 (lǎotóur). Often carries a dismissive or familiar tone.
from Chinese lǎotóur
That old guy is still working actively.
I resent being treated like an oldster.
お年寄り is a polite, respectful term for elderly people, contrasting with the rough tone of ロートル.
Katakana spelling is standard for this loanword; usually written in kana.
Ateji kanji form; rarely used and mainly of etymological interest.
Borrowed from Mandarin Chinese 老头儿 (lǎotóur, 'old man'). The kanji form 老頭児 is ateji.