idealogue (noun)

1. The idealogue passionately discussed their theories about the existence of higher beings during a religious gathering.

2. The idealogue used their knowledge of art and science to create innovative architectural designs.

3. In the fantasy novel, the idealogue sought to uncover the secrets of the mystical realm through their theoretical approach.

4. The idealogue delved into ancient texts and artifacts to decipher the myths of the gods and goddesses.