Return the immigrant.
Punish the businessperson for hiring him.
Let market push up wages due to labor shortages.
Redistribute liquidity directly to consumers, bypassing the financial sector and the interest it collects for that distribution.
You have to do all of those things to eliminate wage income disparities while at the same time preserving incentives, the ability to organized production, distribution, and trade through the pricing system, and neutralize international differences in purchasing power parity.
People in general have zero comprehension of economics.