Is it acceptable to call people that have came from another country foreigners?

The term "foreigners" can be acceptable in some contexts, but it can also carry negative connotations depending on how it's used. It's important to be sensitive to the feelings of individuals from other countries, as the term may imply otherness or exclusion. Using more inclusive terms like "international visitors" or "immigrants" can help foster respect and understanding. Ultimately, context and intent matter, so it's best to consider the preferences of the individuals being described.