arranger

noun
1
a person who changes a piece of music written by somebody else, so that it is suitable for a particular instrument or voice
تنظیم‌کننده
2
a person who plans or organizes things
برگزارکننده, سازمان‌دهنده, برنامه‌ریز, هماهنگ‌کننده
arrangers of care services for the elderly
see also flower arranger