Keyword
responsibility
Info
FrequencyTop 700-800
Type
Kyōiku (5th grade) 
?
KankenLevel 6
Heisig1661
Readings
せき
(69%)
せ
(29%)
Composed of
king with a hat
shellfish
Used in kanji (8 in total)
pile up and accumulate
achievements
pickle (something)
vestiges
financial bond
rough mat (reeds)
expanse of sand
torment
Used in vocabulary (177 in total)
duty; responsibility (incl. supervision of staff); liability; onus
to condemn; to blame; to urge; to press; to torture; to torment
person in charge (including a supervisory role for other staff); person responsible for ...; responsible party; supervisor; manager
Examples (200 in total)
At the very least, you must choose that on your own responsibility.
I have a responsibility to protect my family.
Please act on your own responsibility.