How to be most helpful to Costa Ricans in Liberia?

We are seniors who hope to come to Liberia, and stay at least 5 months (have to leave for 72 hours after 3 months or before).

We want to 'fit in', be helpful.  We know some Spanish.
Do we 'leave them alone', respectfully? Or join in, or
invite some for a meal?

How do we treat those in Liberia?
For example, in Panama, the place stayed to themselves: friendly but

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