In 2 Thessalonians 3:10, what did Paul command about anyone unwilling to work?

Answer: He shall not eat

Paul's rule was, "If anyone is unwilling to work, he shall not eat," and he urged idle busybodies to work quietly to earn their living.

“For even while we were with you, we gave you this command: “If anyone is unwilling to work, he shall not eat.” For we hear that some of you are leading undisciplined lives, accomplishing nothing, but being busybodies. We command and urge such people by our Lord Jesus Christ to begin working quietly to earn their own living.”— 2 Thessalonians 3:10-12 (BSB)