Tell him to use Tor / Orbot, with a Snowflake proxy. Set his wallet to only connect via Tor.

Overkill, perhaps, but he's in Nicaragua and its money... 

 ikr.  looking for advice from folks in this type of environment.   

 Tell your friend to run a node and RTFM, plus maybe this

https://github.com/monero-project/monero/blob/master/docs/ANONYMITY_NETWORKS.md#p2p-commands