Have you recently retired but are now thinking of going back to work? If so, you aren’t alone, as many people are choosing to “unretire.” But if you do reenter the workforce in some capacity, what opportunities might be available to you? And how will your renewed employment affect your financial outlook?

For starters, though, what reasons might motivate you to go back to work? For many people, the primary cause has been inflation, which has presented a huge challenge to retirees living on a...