Based on the context of the sentence, the meaning of sacrificing means abandoning.
When you sacrifice the plans that you have, especially for someone else, it means that you are deciding to abandon those plans to do what the other person wants you to do.
The sentence is therefore saying that no one will thank the man for abandoning his plans for them.
Find out more questions involving the meaning of words at https://brainly.com/question/11244346.
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