1. Dreadful Phenomena
1.1. Natural Disasters
1.1.1. Earthquakes
1.1.2. Flood
1.1.2.1. Floodbank
1.1.2.2. Floodlight
1.1.3. Droughts
1.1.4. Volcanic eruptions
1.1.5. Pesticides
1.1.5.1. Pest
1.1.6. Salinization
1.1.6.1. Salinity
1.1.6.1.1. Độ mặn
1.1.6.2. Salinize
1.1.6.2.1. Xâm nhập mặn
1.2. Social Problems
1.2.1. Illiteracy
1.2.1.1. Literacy
1.2.1.2. Illiterate
1.2.1.3. Literate
1.2.1.4. Literate
1.2.1.5. Literature
1.2.2. Infectious diseases
1.2.2.1. Contagion
1.2.2.1.1. Contagious
1.2.2.2. Infection
1.2.3. Underdeveloped areas
1.2.3.1. Remote
1.2.4. Wars
1.2.4.1. Oil dispute
1.2.4.2. Religion war
1.2.4.3. Discrimination
1.2.4.3.1. Discriminate
1.2.4.3.2. Discriminative
1.2.4.3.3. Discriminant
1.2.4.3.4. Corrupt
1.2.5. Economical matters
1.2.5.1. Crisis
1.2.5.2. Backward economy
1.2.6. Political matters
1.2.6.1. Corruption
1.2.6.1.1. Corrupter
1.2.6.1.2. Corruptible
1.2.6.1.3. Corruptibleness
1.2.6.1.4. Corruptibleness
1.2.6.1.5. Corruptibility
1.2.6.2. Demonstration
1.2.6.2.1. Demonstrate
1.2.6.2.2. Demonstrable
1.2.6.2.3. Demonstrability
1.2.6.2.4. Demonstrableness
1.2.7. Orphans
1.2.7.1. Orphanage
1.2.7.2. Orphanhood
1.2.7.3. Orphanize
1.2.8. Disabilities
1.2.8.1. Dumb
1.2.8.2. Deaf
1.2.8.3. Muted
1.2.8.4. Blind
1.2.8.5. Physical impairments
1.2.8.6. Cognitive impairments
1.2.8.7. Handicapped
1.2.8.8. Matyr
2. Volunteer Work
2.1. Donate
2.1.1. Donation
2.2. Charity
2.2.1. Associations
2.2.1.1. Voluntary Groups
2.2.1.2. Voluntary Union
2.2.1.3. Voluntary Orrganization
2.2.1.4. Unincorporated associations
2.2.1.5. Common-interest associations
2.2.2. Altruism
2.2.2.1. Altruistic
2.2.3. Dig deep
2.2.4. Generousity
2.2.4.1. Generous
2.2.4.2. Generously
2.2.5. Philanthropy
2.2.5.1. Philanthropist
2.2.6. Rescue
2.2.7. Sponsor
2.2.7.1. Sponsored
2.2.7.2. Sponsorship
2.3. Voluntary activities
2.3.1. Nursing home
2.3.1.1. Senior centers
2.3.1.2. Rehabilitation centers
2.3.1.3. Community centers
2.3.2. Replanting
2.3.3. Animal Shelters
2.3.3.1. Recreation center
2.4. Cooperate
2.4.1. Cooperation
2.4.2. Cooperative
2.5. Care
2.6. Assistant
2.6.1. Assist
2.6.2. Assistance
2.7. Fund-raising
2.8. Support
2.8.1. Supporters
2.8.2. Supportive
2.9. Volunteer
2.9.1. Voluntary
2.9.2. Voluntarily
2.9.3. Voluntarism
2.10. Proteger
2.11. Social Services
2.12. Campaign
2.12.1. Campaigners
2.13. Refuge
2.13.1. Refugees
2.14. Advise
2.14.1. Advices
2.14.2. Advisor
2.14.3. Advisory