Deployed and verified at https://rinkeby.etherscan.io/address/0x8aa92B98fD6897087fF5ceF95522cF1b0F73dE3B#code
Account with BIGBROTHER role can start a voting. Anyone can deposit determined ERC20 tokens to vote for or against. Voting is succeed required minimumQuorum, debatingPeriod and 51% votes for suggestion, otherwise it will cancel. In case of success, anyone can run function using calldata.