A politician is any person who enjoys exercising power for the purpose of imposing their values on those who disagree with them.
A pubic servant is any person who enjoys exercising power for the purpose of serving the interests of their constituents.
A politician wants to spend your money on priorities they value.
A public servant wants to spend your money on priorities that serve the larger interests of their constituents.
A politician uses the law to impose their priorities on you.
A public servant uses the law to protect your freedom to pursue your own priorities.
Feel free to expand this list by commenting.
Regards, Pete Weldon