Final answer:
Collecting taxes was not a function of the Freedmen's Bureau; its main functions included reuniting families, establishing schools, and assisting workers with labor contracts.
Step-by-step explanation:
Regarding the tasks in the terminal phase of the helping process, the one that is NOT a task is collecting taxes. The Freedmen's Bureau, established after the American Civil War, had many functions, but collecting taxes was not one of them. The primary functions of the Freedmen's Bureau included reuniting families that had been separated due to slavery, establishing schools for African Americans to promote education and literacy, and helping workers secure labor contracts to ensure fair employment opportunities and practices.