Refers to a person who collects items as a hobby or profession, such as art, stamps, or antiques.
He is a famous stamp collector.
The museum is exhibiting a private collector's collection.
収集家 is the formal, native Japanese term for someone who collects things, while コレクター is the casual loanword used in everyday speech.
stamp collector; philatelist
Standard kanji spelling using the common 収集.
Rare variant using the older kanji 蒐, which specifically means 'to gather' or 'collect'.
Compound of 収集 (collection, gathering) and 家 (person, specialist). The variant 蒐集家 uses the older kanji 蒐, which carries the specific meaning of 'collecting' or 'gathering'.