'Social Enterprise' is often described as business for a community purpose. Beyond profit, success can be measured by community and environmental benefit.
'Sustainable Development' delivers social and economic activities that satisfies todays needs without making things worse for future generations.
'Aid' or 'Development' Aid is short term humanitarian relief. Development primarily seeks to reduce poverty by improving economic and social structures.
'Humanitarian Aid' save lives, alleviates suffering and promotes human dignity. Activities are short term and urgent, often in response to war or natural emergencies.