contemplator
/kənˈtɛmpləˌteɪtər/Definitions
1. noun
One that contemplates, especially a person who reflects on the nature of reality or the universe.
“The philosopher was known as a contemplator, always seeking new insights into the human condition.”
2. noun
A person who contemplates or ponders something.
“She was a contemplator of life’s mysteries, always searching for answers.”