As Muhammad Yunus has found out:
Nobel laureate Muhammad Yunus leaves microfinance bank
Peace prize recipient leaves pioneering Grameen Bank following legal dispute with Bangladeshi government
For if you go around successfully reducing poverty without the aid and assistance of politicians then why would the poor vote for politicians?
And if you think that politicians are actually interested in alleviating poverty, rather than utilising it as a method of getting votes, then read the story of how the politicians are deliberately trying to screw over both Yunus and Grameen Bank.