to unite with others for a common purpose or cause
объединиться с другими для общей цели или причины (ob'yedinit'sya s drugimi dlya obshchey tseli ili prichiny)
"The volunteers banded together for the flood relief effort."
"Волонтеры объединились для помощи пострадавшим от наводнения." (Volontyory ob'yedinilis' dlya pomoshchi postradavshim ot navodneniya.)
to save money for a specific purpose
to become more emotionally connected with someone
to think about the future with optimism
to generate income or money for a company or government
to transfer control or responsibility to someone else
to spend time improving or developing something