仁義じんぎ
jingi

Noun

1. humanity and justice (esp. in Confucianism); virtue

盗人ぬすびとにも仁義じんぎ
nusuttonimo jingi.
There is honor even among thieves.
Noun

2. duty

Noun

3. formal greeting (between yakuza, street vendors, gamblers, etc.)

Noun

4. (gang's) moral code