Final answer:
Youthbuild's purpose is to assist young people in obtaining a GED and learning construction skills, thereby promoting both educational attainment and practical job training for community development.
Step-by-step explanation:
The purpose of Youthbuild is to help young people to earn a GED and to learn construction skills. This aligns with the presentation's focus on supporting education and preparing individuals for the workforce. The program's objectives are to foster community development through the dual goals of education and practical job training, ultimately leading to employment and a constructive role in the community. By targeting young adults who may be at a disadvantage, Youthbuild aims to enhance self-esteem and provide them with valuable skills that can translate into stable employment opportunities, contributing to their personal development and the general welfare of the community.