Answer: Multi-sectoral approach
Step-by-step explanation:
A multi-sectoral approach is best used when there needs to be collaboration between people of various groups, organisations and sectors that may have different areas of expertise but are needed in order to meet a certain goal.
By employing this approach, the various contributions that these groups can bring as a result of their expertise, will be efficiently used and put together to form a conducive solution to the goal or problem at hand.
This is what Namid needs to succeed as they are working with several groups.