A Guild is a group of people working together and learning from each other
A guild is a group of people who are working together for a common goal. They form a guild for many reasons such as there is safety in numbers and there is a higher chance to find jobs to feed their family.
Fairy Tail is an anime that incorporates guild into their show. They emphasized family and friends in their guild and how they never betray or abandon their friends.
Sword Art Online is an anime that incorporates guilds into their virtual gaming world where folks work together to clear dungeons in order to escape the game. Death in the game is a serious and traumatic issue in the series, and guilds are a safe place for the individuals.