what is the name/title for someone who generates ideas?
Here idea refers to things like:
- Doing a project together
- Something can be done
- Something is possible
- Someone can try something
- Something can be done in this way / that way
- Something can be arranged
The person in reference can be someone --
- who is generating ideas professionally
- who is doing a community service
- who is helping / trying to help others by the ideas
- who is a leader giving the ideas to followers
Thanks in advance for your kind opinion.