IPA: /dɪˈsiːvə/
KK: /dɪˈsivər/
A person who tells lies or tricks others to make them believe something that is not true.
He was known as a deceiver, always manipulating the truth to get what he wanted.
Deceiver → It is formed from "deceive" (from Old French *decevoir*, meaning to lead astray) and "-er" (meaning a person who). A deceiver is a person who leads others astray or misleads them.
Think of someone who 'leads astray' ('deceive') — the '-er' just means a person. A deceiver is someone who misleads others.