Levellers

noun

1. A person or thing that levels.

   "A soil leveller is used to prepare the field before sowing."

2. (especially) Something that transcends people’s differences (such as social class, wealth, etc.); something that tends to eliminate advantages and disadvantages.
3. A person holding a political opinion in favor of eliminating disparities between the haves and the have nots.
4. An equaliser.