He must be a risk taker, he must accept anything that could happen to his investments. He must of course optimistic and willing to learn from mistakes
in investing. He must be humble and willing to listen to others idea. A good investor also has the ability to apply this idea, when investing, respect the opinion of those around you. Above all, respect markets. The day you are too sure of the direction the markets will take is also the day you can celebrate Fool's Day.
The upper people here have become untrusted and any time that they get behind something, the rest of the community turn away, because of the past, the trust issues and the outright theft by many of them. Investors need to apply their mind to find a way to get money from money and not fall apart by scam etc.