Alter Aeon Online Help

Keywords are:  'guilds guildmasters'

Format:
guild                      - shows your help menu
guild show                 - shows your guild status
guild list                 - display publicly known guilds
guild advance              - try to advance at a guildmaster, or
                                   join if you not a member
guild list masters <guild> - list guildmasters in a guild
guild list skills <guild>  - list skills learned in a guild

Aside from the major guilds that teach class skills and spells, there
are several specialized guilds that cater to various professions.
These guilds have ranks instead of levels. How you advance in rank
depends on the guild.  The more advanced your rank, the more access
you have to guild resources. Guilds have various other perks, such as
discounts to crafting costs and improved ability to work with materials.

Some guilds may also offer to tutor their members in specialized skills.
Anything learned in this way does not cost any practices or gold. See
'help guild skill' for more details.

The Alchemists, Smiths, Rangers, Scribes and Cartographers are the
are the most well-known of these guilds.

To advance in a guild, you must be at a guildmaster.