[{"Bold_text": "noun", "List Items": ["a person who collects stamps as a hobby or investment:By following the points below, new philatelists will be able to start their stamp collection and enjoy the benefits of collecting.", "an expert in the study of postage and revenue stamps, stamped envelopes and postmarks, postcards, and other items related to postal history:At the symposium, research on the history of American postal operations was discussed by philatelists and the interested public."]}]