rigger / rigor [ˈrɪgɜr]
rigger – n. – 1. Nautical – a person who sets up and takes care of the moveable parts (ropes, chains, fittings etc.) on a vessel; 2. a person who ensures that an aircraft is ready for flight; 3. a person who maintains scaffolding; 4. Mechanical – a part that a belt revolves around; 5. a person involved with construction of oil rigs
rigour (rigor) – n. – 1. Medicine a stiffness or numbness because of cold or poor circulation; 2. a strictness or action or interpretation; 3. hardness of heart; 4. hostility, hardship, suffering; 5. challenges of a task or goal; 6. strict terms, applications or regulations, stringency; 7. austere observances or character; 8. precision, exactness