Is a person's going to the mosque to look for another person considered "proclaiming a lost item," which is forbidden in mosques?

"There is a prohibition against announcing lost property in the mosque, to the extent that it is said to one who does so: 'May Allah not return it to you,' because mosques were not built for this purpose.

The reason for prohibiting the announcement of lost property is to prevent mosques from being used for worldly matters, and to avoid raising voices and increasing clamor within them, as mosques are designated for worship.

As for searching for a person in the mosque, this is not among the prohibited actions and cannot be analogized to announcing lost property, as the reason for the prohibition is absent. Indeed, the Prophet, peace and blessings be upon him, searched for Ali ibn Abi Talib and found him sleeping in the mosque, and he used to check on his companions in the mosque."