2 adjectives to describe behoof

Kent kept out of it as much as he could, striving manfully to monopolize Elinor for his own especial behoof; but finally Portia laid her commands upon him.

Perched in the middle of the high seat, her short legs impotently projecting into space, she was the only passenger on this trainand she, for whose sole behoof the ponderous machinery was operated, in whose exclusive service this crew of trained hirelings toiledshe sat aloft indignant, with tear-wet face, her soul revolted by the ignominy of it.

2 adjectives to describe  behoof