Aggregator
Part of speech: noun
Definition: Someone or something which aggregates. An online feed reader, generally used for RSS or Atom feeds to keep track of updates to blogs, news sources, and other websites all on one page. Users can subscribe to the aggregator to receive feeds via email.
Collector
Part of speech: noun
Definition: A person or thing which collects, or which creates or manages a collection.A person who is employed to collect payments.The amplified terminal on a bipolar junction transistor.
Example sentence: I like sneakers. I guess I could call myself a collector.