| Subject | English | Estonian |
| comp., MS | actor class | tegurirühm (The basic component of a ROOM structure diagram. The space inside the actor can contain actor references, behavior end ports, reference ports, bindings, and layer connections. The border can contain class relay ports and class end ports) |
| immigr. | actor of persecution | tagakiusaja |
| immigr. | actor of protection | kaitset tagav isik |
| comp., MS | actor reference | teguriviide (The actors that define components of your structure diagram. Actor references can appear only inside an actor class. An actor reference can have reference ports on its outside border) |
| chem. | actors in the supply chain | tarneahelas tegutseja |
| econ., commer. | economic actor | majandustegevuses osaleja |
| econ., commer. | economic actor | ettevõtja |
| fin., econ. | financial actor | finantsjuhtimises osaleja |
| gen. | non-governmental actor | valitsusväline osaleja |
| gen. | non-State actor | valitsusväline osaleja |