chidam

bhavat-chidam — that which stops repetition of birth and death; SB 2.6.36
duḥkha-chidam — one who can mitigate others' difficulties; SB 4.8.23
bhava-chidam — the Personality of Godhead, who can cut the chain of birth and death; SB 4.9.34
bhava-chidam — who cuts the knot of material entanglement; SB 4.12.6
chidam — the eradicator; SB 10.83.3