4. Employer to Employee. 5. School to Student. 6. Landlord to Tenant. 7. Custodian to Custodied 8.+i.Aiding and Abetting/Encouraging Tortfeasor: focuses on whether a D knowingly gave “substantial assistance” to someone engaged in a wrongful act.” See R2d §876. Factors to consider include: the nature of act encouraged, advice given, the amount of assistance given, Δ’s presence or absence at the time of the tort, Δ’s relation to the other tortfeasor, Δ’s state of mind, duration of assistance provided. j.Concert of Action: 1. D does a tortious act in concert with another pursuant to a common design, or 2. knows other's conduct is a breach of duty and gives substantial assistance or encouragementto the other so to conduct himself, or 3. gives substantial assistanceto the other in accomplishing a tortious result and D’s own conduct, separately considered, constitutes a breach of duty to the third person.3. Negligent Entrustment:Permitting a 3rd person to use a thing (or activity) under control of actor if actor knows (or should know) 3rd party is likely to create an unreasonable risk of harm to himself others.4. Loss of Consortium: Spouse tortiously injured. Result: personal relationship damages (love, sex, support, etc.)5. Fear [of Cancer/AIDS]: If physical injury, then compensable.