You can tick off this task if you have attended at least one cryptoparty.
If you are involved in civil society, work for an NGO or as a reporter, you should definitely take care of secure communication and the encryption of your devices. Civil society initiatives are always under pressure politically, socially and from powerful lobbies.
If you are politically active, you should prepare yourself for confiscations and house searches. Cryptoparties are the ideal place for this. There you will learn how to encrypt your devices properly, for example.
If you have fled or applied for asylum, the authorities have a keen interest in your cell phone data. You should definitely take care of encryption as well as backups. You can learn all this at cryptoparties.
If you are interested in cryptoparties and want to meet like-minded people, you can find out about upcoming events at cryptoparty.in, for example. Or you can follow the linked guide and organize a cryptoparty yourself.