To claim land, you need a gold shovel and enough claim blocks for your desired plot of land. You can purchase claim blocks with /buyclaimblocks, and we give golden shovels out for free on a cooldown with the /claim command.
https://i.imgur.com/VkWGCgr.mp4
There are various levels of trust. Here's a quick guide to the commands:
/trust <player> - Grant a player full access (build/access/container) to the claim./accesstrust <player> - Give a player access to open doors, use buttons, etc.../containertrust <player> - Give a player access to open containers.