Few ways actually:
1. You can buy coin here: http://crex24.zija.icu
2. You can use bounty: https://discordapp.com/invite/FUqvsvq
3. PoS mining (it warks for any ammount of Zijacoin, but sometimes you need wait for it too long)
4. Install masternode for 2525 zijacoin, the best way to earn zija. More info by link: https://masternodes.pro/stats/zija/statistics

Also if you have some special skils to impruwe zijacoin comunity, you can contact me on Discord.