A person who proposes or suggests something.

प्रस्तावक

English Usage: The proposer of the new policy received support from the board.

Hindi Usage: नए नीति के प्रस्तावक को बोर्ड से समर्थन मिला।

To put forward an idea or plan for consideration.

सुझाव देना

English Usage: He decided to propose a new approach to the problem.

Hindi Usage: उसने समस्या के लिए एक नया दृष्टिकोण सुझाव देने का निर्णय लिया।