The term 'Opiniator' is used to describe a person who expresses their opinions regularly. However, there are many other words that can be used in place of 'Opiniator' to add variety to your vocabulary. The term 'Opinionated' is a common synonym of 'Opiniator' and can be used to describe someone who has strong and often unwavering opinions. Other synonyms include 'Commentator', 'Pundit', 'Critiquer', 'Critic', and 'Reviewer'. These terms are often used in the media industry where individuals are required to share their opinions on a regular basis. Ultimately, there are many words that can be used to describe a person who expresses their opinions often, and it's important to use a diverse range of vocabulary when writing or speaking to keep things interesting.