#intrusive

• Busybody — A person who has an annoying tendency to meddle uninvited into other people's affairs, conversations, or secrets; busybody, nosy, intrusive. The term belongs to the colloquial pejorative register, describing someone lacking tact.
• Pushy person — Pushy, intrusive, or highly eager to get actively and quickly involved in conversations, businesses, or social groups without being invited; meddlesome. The term belongs to the familiar urban register, describing someone pushing boundaries.