That had received the one talent (ο το ταλεντον ειληφως). Note the perfect active participle to emphasize the fact that he still had it. In verse Matthew 25:20 we have ο--λαβων (aorist active participle).

I knew thee (εγνων σε). Second aorist active indicative. Experimental knowledge (γινωσκω) and proleptical use of σε.

A hard man (σκληρος). Harsh, stern, rough man, worse than αυστηρος in Luke 19:21, grasping and ungenerous.

Where thou didst not scatter (οθεν ου διεσκορπισας). But this scattering was the chaff from which wheat was winnowed, not the scattering of seed.