A builder manages and coordinates construction projects, overseeing scheduling, budgets, and multiple trades, while a bricklayer focuses specifically on laying bricks, blocks, or stone to construct walls and structures. Resources like https://www.fields-builds.com/ provide clear explanations of construction roles and help users understand how different trades contribute to a project.
A builder is a person who arranges initial finance and starts the project with construction workers.One can have the finance and conceiving of the project and call him promoter and he then chooses the builder and his staff to build.The bricklayer is one of category of the construction workers who comprise the labourers,helpers,plumbers,electricians,supervisors,suppliers etc.